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This is a list of abbreviations used in medical prescriptions, including hospital orders (the patient-directed part of which is referred to as sig codes).This list does not include abbreviations for pharmaceuticals or drug name suffixes such as CD, CR, ER, XT (See Time release technology § List of abbreviations for those).
Abbreviation Organization or personnel PA: Physician assistant or pathologist assistant PAC: Certified Physician assistant or pathologist assistant CPT: Phlebotomist: PCT: Primary care trust (UK) PGNZ: Pharmaceutical Guild of New Zealand PHARM: Pharmaceutical Health and Rational Use of Medicines (Australia) Pharm.D: Doctor of Pharmacy PMS
The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. Some of these abbreviations are best not used, as marked and explained here.
Abbreviations of weights and measures are pronounced using the expansion of the unit (mg = "milligram") and chemical symbols using the chemical expansion (NaCl = "sodium chloride"). Some initialisms deriving from Latin may be pronounced either as letters ( qid = "cue eye dee") or using the English expansion ( qid = "four times a day").
L. List of medical abbreviations: Latin abbreviations; List of medical abbreviations: D; List of medical abbreviations: E; List of medical abbreviations: F
Use of abbreviations, such as those relating to the route of administration or dose of a medication, can be confusing and is the most common source of medication errors. [2] Use of some acronyms has been shown to impact the safety of patients in hospitals, and "do not use lists" have been published at a national level in the US.
Historically, it was a physician's instruction to an apothecary listing the materials to be compounded into a treatment—the symbol ℞ (a capital letter R, crossed to indicate abbreviation) comes from the first word of a medieval prescription, Latin recipe (lit. ' take thou '), that gave the list of the materials to be compounded.
See also the list of the top 100 bestselling branded drugs, ranked by sales. Abbreviations are used in the list as follows: INN = International Nonproprietary Name; BAN = British Approved Name; USAN = United States Adopted Name; Two-letter codes for countries